8870686245 has 20 divisors (see below), whose sum is σ = 15901527180. Its totient is φ = 4731032448.

The previous prime is 8870686229. The next prime is 8870686283. The reversal of 8870686245 is 5426860788.

8870686245 is a `hidden beast` number, since 8 + 8 + 7 + 0 + 6 + 8 + 624 + 5 = 666.

8870686245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7061545089 + 1809141156 = 84033^2 + 42534^2 .

It is not a de Polignac number, because 8870686245 - 2⁴ = 8870686229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8870686191 and 8870686200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10951060 + ... + 10951869.

It is an arithmetic number, because the mean of its divisors is an integer number (795076359).

Almost surely, 2^8870686245 is an apocalyptic number.

It is an amenable number.

8870686245 is a deficient number, since it is larger than the sum of its proper divisors (7030840935).

8870686245 is a wasteful number, since it uses less digits than its factorization.

8870686245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21902946 (or 21902937 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The square root of 8870686245 is about 94184.3205900005. The cubic root of 8870686245 is about 2070.0733748408.

The spelling of 8870686245 in words is "eight billion, eight hundred seventy million, six hundred eighty-six thousand, two hundred forty-five".